drm/amd/powerplay: Fix KASAN user after free on driver unload.

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Reusing local handle to initialize BO without resetting it to
NULL is wrong since it causes amdgpu_bo_create_reserved to skip
new BO creation and just reuse the given pointer for pinning.

Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Andrey Grodzovsky 2018-03-14 14:07:49 -04:00 • committed by Alex Deucher

parent 2f51d6e8e4

commit 3bb271f3ca

2 changed files with 23 additions and 48 deletions

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22

drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c

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49

drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c

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